3 / | | / 2 \ | \x - 3*x/*sin(2*x) dx | / 0
Integral((x^2 - 3*x)*sin(2*x), (x, 0, 3))
1 cos(6) 3*sin(6) - - + ------ + -------- 4 4 4
=
1 cos(6) 3*sin(6) - - + ------ + -------- 4 4 4
-1/4 + cos(6)/4 + 3*sin(6)/4
Use the examples entering the upper and lower limits of integration.